白金戒指pt950的相關文章

What does it mean when a ring has 750 and pt950 is the ring a ...
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日期:2025-07-03
pt950 means that the ring is Platinum (PT on the periodic table) and 950/1000 for
purity which makes it 95% pure platinum. 18 karats is about 75% of the ......看更多